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  • 1.
    Aasa, Ulrika
    Högskolan i Gävle, Belastningsskadecentrum.
    Ambulance work: relationships between occupational demands, individual characteristics and health-related outcomes2005Doktorsavhandling, monografi (Övrigt vetenskapligt)
    Abstract [en]

    Although musculoskeletal disorders (MSDs) and other health cornplaints are an occupational problem for ambulance personnel, there is a lack ofknowJedge regarding work-related factors associated with MSDs and other health cornplaints. The overall aim ofthis thesis was to investigate the relationships between occupational demands, individual characteristics and health-related outcornes among ambulance personnel.

    A random sarnple of 234 female and 953 male ambulance personnel participated in a national questionnaire suTVey on work-related factors, and musculoskeletal and other health cornplaints. Physical demands was associated with activity limitation due to neck-shoulder and low-back complaints among the female personnel. Among the male personnel, physical demands was associated with low-back cornplaints and activity limitation due to low-back cornplaints. Psychological demands was significantly associated with neck-shoulder complaints, sleeping problerns, headache and stomach syrnptorns among both female and male ambulance personnel. Worry about work conditions was associated with musculoskeletal disorders and sleeping problerns, headache and stomach symptoms.

    A local sample of 26 ambulance personnel was followed during a 24-hour work shift and for the next two work-free days. Subjective stress- and energy levels, and cortisol levels were measured at regular inteTYals, and heart rate was registered continuously by electrocardiogram (ECG). Autonomic reactivity to standardized tests before (pre-work) and at the end of the work shift (post-work) was also investigated. For the whole group, baseline values of heart rate were higher pre-work than post-work, but autonomic reactivity did not differ. lncreased reactivity to the mental test, modest deviation in heart rate variability (HRV) pattem during the Jate night hours at work and higher moming cortisol values during work than during leisure time were obseTVed in personnel with many health cornplaints, but not among their co-workers without or with few complaints. Ambulance personnel with many health complaints also reported higher psychological demands and tended to be more worried about work conditions.

    Heart rate (HR), lactate level (LL) and perceived exertion (RPE) were investigated in 17 female and 48 male ambulance personnel during a simulated standardized work task "carry a loaded stretcher". The ambulance personnel had to carry the loaded stretcher (920 N) up and down three tlights of stairs twice. The high physiological strain (HR, LL, RPE) for the male, and near or at maximal strain for the female ambulance personnel, implied the importance to identify what kind of physical capacity is most important for ambulance personnel. Therefore, the explained variance of developed fatigue by tests of cardiorespiratory capacity, muscular strength and endurance, and coordination was investigated. The results showed that VO2max and isometric back endurance were important predictors for development of fatigue when carrying a loaded stretcher .

    The influence of body size on the relationships between maximal strength and functional performance was investigated in a methodological study. The results confirm that the assessment ofphysical performance could be confounded by the body weight. Therefore, the models for explaining development of fatigue when carrying the loaded stretcher were adjusted for height and weight. lncluding height in the models significantly increased the exp1ained variance of accumulated lactate among female, but not among male personnel. Lactate levels were higher among short cornpared to tall female personnel. Weight had no effect on any of the models.

    In conclusion, the national suTVey showed that self-reported physical demands was a risk factor of having MSDs, and that self-reported psychological demands and worry about work were important risk factors of having MSDs and other health complaints. Stress monitoring of ambulance personnel during work and leisure time showed that physiological and subjective stress markers did not show any differences between the 24-hour ambulance work shift and leisure time afterwards. However, ambulance personnel with many health cornplaints had certain physiological changes during the work shift in cornparison with the next two work-free days. The physiological and subjective responses during carrying a loaded stretcher, especially among the female ambulance personnel, showed that female and male ambulance personnel could be exposed to intemal exposures at different levels when performing the same work task. A better understanding of the relationships between occupational demands and health-related ou tcomes require further studies on age- and gender matched groups in long-term perspective studies.

  • 2.
    Aasa, Ulrika
    et al.
    Högskolan i Gävle, Belastningsskadecentrum.
    Barnekow-Bergkvist, Margareta
    Högskolan i Gävle, Belastningsskadecentrum.
    Angquist, Karl-Axel
    Brulin, Christine
    Relationships between work-related factors and disorders in the neck-shoulder and low-back region among female and male ambulance personnel2005Ingår i: Journal of Occupational Health, ISSN 1341-9145, E-ISSN 1348-9585, Vol. 47, nr 6, s. 481-489Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    This cross-sectional study on a random sample of 1,500 ambulance personnel investigated the relationships between self-reported work-related physical and psychosocial factors, worry about work conditions, and musculoskeletal disorders among female and male ambulance personnel. Three different outcomes, complaints, activity limitation, and sick leave, for the neck-shoulder and low-back region, respectively, were chosen. Among the female personnel, physical demands was significantly associated with activity limitation in the neck-shoulder (OR 4.13) and low-back region (OR 2.17), and psychological demands with neck-shoulder (OR 2.37) and low-back (OR 2.28) complaints. Among the male personnel, physical demands was significantly associated with low-back complaints (OR 1.41) and activity limitation (OR 1.62). Psychological demands and lack of social support were significantly associated with neck-shoulder complaints (OR 1.86 and OR 1.58, respectively) and activity limitation (OR 3.46 and OR 1.71) as well as activity limitation due to low-back complaints (OR 2.22 and OR 1.63). Worry about work conditions was independently associated with activity limitation due to low-back complaints among the female (OR 5.28), and to both neck-shoulder and low-back complaints (OR 1.79 and OR 2.04, respectively) and activity limitation (OR 2.32 and OR 1.95) among the male personnel. In conclusion, the association patterns between physical and psychological demands and MSDs suggest opportunities for intervention.

  • 3.
    Aasa, Ulrika
    et al.
    Högskolan i Gävle, Belastningsskadecentrum.
    Barnekow-Bergkvist, Margareta
    Högskolan i Gävle, Belastningsskadecentrum.
    Jaric, Slobodan
    Högskolan i Gävle, Belastningsskadecentrum.
    Johansson, Håkan
    Högskolan i Gävle, Belastningsskadecentrum.
    Normalisation of muscle strength for body size: The role of the function assessed2004Ingår i: Journal of Human Movement Studies, ISSN 0306-7297, Vol. 46, nr 2, s. 105-116Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The role of body size has often been neglected in routine tests of muscle strength and movement performance. The aim of the present study was to test the hypothesis that different types of functional movement performance require different normalisations in order to assess muscle strength. Twenty-one right-handed male university students were tested on the following functional movement tasks: vertical jump, standing soccer ball kick, seated medicine ball throw and standing maximal isometric lift. Isokinetic strength of active muscle \, groups was also recorded. The performance of the vertical jump and standing s9ccer ball kick demonstrated stronger relationship with the strength of active muscles normalised for body size, while the performance of the s~ated medicine ball throw and standing maximal

    Iisometric lift demonstrated stronger relationship with the non- normalised strength.

    It was concluded that the ability of performing functional movements based on overcoming gravitational and/or inertial resistance of subject's own body (such as keeping certain body postures, or various body movements) should be assessed by the tested muscle strength normalised for body size, while the functional performance based on muscle action performed against external objects (e.g. manual material handling, or lifting heavy objects) should be assessed by the non-normalised muscle strength. The obtained f"mdings proved to be in line with our recently proposed classification of muscle strength and functional movement tests based on the role of body size in the re~orded performance.

  • 4.
    Aasa, Ulrika
    et al.
    Högskolan i Gävle, Belastningsskadecentrum.
    Brulin, Christine
    Angquist, Karl-Axel
    Barnekow-Bergkvist, Margareta
    Högskolan i Gävle, Belastningsskadecentrum.
    Work-related psychosocial factors, worry about work conditions and health complaints among female and male ambulance personnel.2005Ingår i: Scandinavian Journal of Caring Sciences, ISSN 0283-9318, E-ISSN 1471-6712, Vol. 19, nr 3, s. 251-258Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    This study aimed at investigating the relationships between work-related psychosocial factors, worry about work conditions and health complaints (sleeping problems, headache and stomach symptoms) among female and male ambulance personnel. Out of 4000 ambulance personnel in Sweden, 1500 (300 female and 1200 male personnel) were randomly selected. They answered a questionnaire including items on self-reported health complaints, individual characteristics, work-related psychological demands, decision latitude, social support and worry about work conditions. Twenty-five per cent of the female and 20% of the male ambulance personnel reported two or more health complaints sometimes or often. According to the demand-control-support questionnaire, ambulance personnel reported a generally positive psychosocial work environment, although psychological demands were associated with sleeping problems, headache and stomach symptoms among both female and male ambulance personnel. Another factor that was significantly associated with health complaints among both genders was worry about work conditions. When worry about work conditions was added to the regression models, this variable took over the role from psychological demands as a predictor for health complaints among the female ambulance personnel. The prevalence of sleeping problems, headache and stomach symptoms were significantly associated with psychological demands among both female and male ambulance personnel. Notably, worry about work conditions seems to be an important risk factor for health complaints. This suggests that worry about work conditions should not be neglected when considering risk factors among ambulance personnel.

  • 5.
    Aasa, Ulrika
    et al.
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Jensen, B R
    Sandfeld, J
    Lyskov, Eugene
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Richter, Hans O
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Crenshaw, Albert
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    The impact of computer mouse work with different size objects on subjective perception of fatigue and performance2007Ingår i: 39th Annual Congress of the Nordic Ergonomics Society, 2007Konferensbidrag (Övrigt vetenskapligt)
  • 6.
    Aasa, Ulrika
    et al.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, CBF. Högskolan i Gävle, Centrum för belastningsskadeforskning. Department of Community Medicine and Rehabilitation, Physiotherapy, University of Umeå, Sweden.
    Jensen, B. R.
    Sandfeld, J.
    Richter, Hans
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, CBF. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Lyskov, Eugene
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, CBF. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Crenshaw, Albert
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, CBF. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    The impact of object size and precision demands on fatigue during computer mouse use2011Ingår i: Advances in Physiotherapy, ISSN 1403-8196, E-ISSN 1651-1948, Vol. 13, nr 3, s. 118-127Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Prolonged computer use, especially if fatigue ensues, is associated with visual and musculoskeletal symptoms. The aim was to determine the time-course of perceived fatigue in the wrist, forearm, shoulder and eyes during a 60-min mouse task (painting rectangles), and whether object size and/or mouse use demands were of influence. Also, we investigated performance (number of rectangles painted), and whether perceived fatigue was paralleled by local muscle fatigue or tissue oxygenation. Ten women performed the task for three conditions (crossover design). At condition 1, rectangles were 45 × 25 mm, square paint cursor size 1.3 × 1.3 mm, and mousepointer movement ratio 1:26. At condition 2, the same cursor size and mousepointer movement ratio was used, but rectangles were smaller. At condition 3, the smaller rectangles were used, but the cursor size was also smaller and mousepointer movement ratio was 1:8. The results showed increased self-reported fatigue over time, with the observed increase greater for the eyes, but no change in physiological responses. Condition 2 resulted in higher performance and increased eye fatigue. Perceived fatigue in the muscles or physiological responses did not differ between conditions. In conclusion, computer work tasks imposing high visual and motor demands, and with high performance, seemed to have an influence on eye fatigue. 

  • 7.
    Aasa, Ulrika
    et al.
    Högskolan i Gävle, Belastningsskadecentrum.
    Kalezic, Nebojsa
    Högskolan i Gävle, Belastningsskadecentrum.
    Lyskov, Eugene
    Högskolan i Gävle, Belastningsskadecentrum.
    Barnekow-Bergkvist, Margareta
    Högskolan i Gävle, Belastningsskadecentrum.
    Samband mellan självrapporterad stress, salivkortisol och musculoskelettala besvär: Självrapporteringsmetoder i stressforskning2004Ingår i: Stress-conference, 2004Konferensbidrag (Övrig (populärvetenskap, debatt, mm))
  • 8.
    Aasa, Ulrika
    et al.
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Kalezic, Nebojsa
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Lyskov, Eugene
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Ängquist, Karl-Axel
    Department of Surgical and Perioperative Sciences, University of Umeå, Umeå, Sweden.
    Barnekow-Bergkvist, Margareta
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Stress monitoring of ambulance personnel during work and leisure time2006Ingår i: International Archives of Occupational and Environmental Health, ISSN 0340-0131, E-ISSN 1432-1246, Vol. 80, nr 1, s. 51-59Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Objectives: The aim of the present study was to assess physiological and subjective stress markers during a 24-h ambulance work shift and during the next two work-free days, and relate these parameters to self-reported health complaints. Methods: Twenty-six ambulance personnel were followed during a 24-h work shift and during the next two work-free days with electrocardiogram, cortisol assessments and diary notes. The ambulance personnel also performed tests of autonomic reactivity before and at the end of the work shift. The subjects were categorized into two groups according to their number of health complaints. Results: In general, stress markers did not show differences between the work shift and leisure time. However, a modest deviation in heart rate variability pattern and higher morning cortisol values during work in comparison with work-free days were observed in personnel with many health complaints. Conclusions: Subjective and physiological characteristics of ambulance personnel did not indicate distinctive stress during the 24-h work shift. Relationships between frequent health complaints and specific work-related factors require further prospective studies.

  • 9.
    Aasa, Ulrika
    et al.
    Umeå universitet.
    Wiitavaara, Birgitta
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Personalens hälsa och arbetsmiljö2016Ingår i: Prehospital akutsjukvård / [ed] Björn-Ove Suserud, Lars Lundberg, Stockholm: Liber, 2016, 2, s. 72-79Kapitel i bok, del av antologi (Övrigt vetenskapligt)
  • 10.
    Aasa, Ulrika
    et al.
    Umeå universitet.
    Wiitavaara, Birgitta
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Personalens hälsa och arbetsmiljö2009Ingår i: Prehospital akutsjukvård / [ed] Suserud, Björn-Ove. Svensson, Leif., Stockholm: Liber , 2009, s. 33-38Kapitel i bok, del av antologi (Övrigt vetenskapligt)
  • 11.
    Aasa, Ulrika
    et al.
    Högskolan i Gävle, Centrum för belastningsskadeforskning. Department of Community Medicine and Rehabilitation, physiotherapy, University of Umeå, Umeå, Sweden.
    Ängquist, Karl-Axel
    Department of Surgical and Perioperative Sciences, University of Umea ̊ , Sweden.
    Barnekow-Bergkvist, Margareta
    Högskolan i Gävle, Centrum för belastningsskadeforskning.
    The effects of a 1-year physical exercise programme on development of fatigue during a simulated ambulance work task2008Ingår i: Ergonomics, ISSN 0014-0139, E-ISSN 1366-5847, Ergonomics, Vol. 51, nr 8, s. 1179-1194Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The aim of the study was to evaluate the effects of individually prescribed physical exercise programmes on development of fatigue during the carrying of a loaded stretcher up and down the stairs. Nineteen ambulance personnel performed the training for 1 year. Testing occurred before and after 1 year of the training. Both the training group (n = 19) and the control group (n = 15) were assessed for physical capacity and lactate concentration in blood and ratings of perceived exertion during carrying a stretcher on the stairs. When comparisons were made between those who had been training three times/week for 1 year and the control group, lactate concentration was significantly decreased. In conclusion, markers of fatigue during stretcher carrying can be reduced by the use of individually prescribed physical exercise programmes.

  • 12.
    Abbasi, Seyed Hesameddin
    et al.
    Mid Sweden University, Sundsvall, Sweden; Tehran University of Medical Sciences, Tehran, Iran; Iranian Petroleum Health Research Institute, Tehran, Iran .
    De Leon, Antonio Ponce
    Karolinska Institutet, Stockholm, Sweden; Universidade do Estado de Rio de Janeiro, Brazil.
    Kassaian, Seyed Ebrahim
    Tehran University of Medical Sciences, Tehran, Iran.
    Karimi, Abbasali
    Tehran University of Medical Sciences, Tehran, Iran.
    Sundin, Örjan
    Department of Psychology, Mid-Sweden University, Östersund, Sweden.
    Jalali, Arash
    Tehran University of Medical Sciences, Tehran, Iran.
    Soares, Joaquim
    Mid Sweden University, Sundsvall, Sweden; Karolinska Institutet, Stockholm, Sweden.
    Macassa, Gloria
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Folkhälsovetenskap. Mid Sweden University, Sundsvall, Sweden; Karolinska Institutet, Stockholm, Sweden.
    Socioeconomic status and in‑hospital mortality of acute coronary syndrome: can education and occupation serve as preventive measures?2015Ingår i: International Journal of Preventive Medicine, ISSN 2008-7802, E-ISSN 2008-8213, Vol. 6, artikel-id 36Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    BACKGROUND: Socioeconomic status (SES) can greatly affect the clinical outcome of medical problems. We sought to assess the in-hospital mortality of patients with the acute coronary syndrome (ACS) according to their SES.

    METHODS: All patients admitted to Tehran Heart Center due to 1(st)-time ACS between March 2004 and August 2011 were assessed. The patients who were illiterate/lowly educated (≤5 years attained education) and were unemployed were considered low-SES patients and those who were employed and had high educational levels (>5 years attained education) were regarded as high-SES patients. Demographic, clinical, paraclinical, and in-hospital medical progress data were recorded. Death during the course of hospitalization was considered the end point, and the impact of SES on in-hospital mortality was evaluated.

    RESULTS: A total of 6246 hospitalized patients (3290 low SES and 2956 high SES) were included (mean age = 60.3 ± 12.1 years, male = 2772 [44.4%]). Among them, 79 (1.26%) patients died. Univariable analysis showed a significantly higher mortality rate in the low-SES group (1.9% vs. 0.6%; P < 0.001). After adjustment for possible cofounders, SES still showed a significant effect on the in-hospital mortality of the ACS patients in that the high-SES patients had a lower in-hospital mortality rate (odds ratio: 0.304, 95% confidence interval: 0.094-0.980; P = 0.046).

    CONCLUSIONS: This study found that patients with low SES were at a higher risk of in-hospital mortality due to the ACS. Furthermore, the results suggest the need for increased availability of jobs as well as improved levels of education as preventive measures to curb the unfolding deaths owing to coronary artery syndrome.

  • 13.
    Abbasi, Seyed Hesameddin
    et al.
    Department of Health Sciences, Section of Public Health Sciences, Mid Sweden University, Sundsvall, Sweden; Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran.
    Sundin, Örjan
    Department of Psychology, Mid Sweden University, Östersund, Sweden.
    Jalali, Arash
    Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran.
    Soares, Joaquim
    Department of Health Sciences, Section of Public Health Sciences, Mid Sweden University, Sundsvall, Sweden.
    Macassa, Gloria
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Folkhälsovetenskap. Department of Health Sciences, Section of Public Health Sciences, Mid Sweden University, Sundsvall, Sweden.
    Ethnic Differences in the Risk Factors and Severity of Coronary Artery Disease: a Patient-Based Study in Iran2018Ingår i: Journal of Racial and Ethnic Health Disparities, ISSN 2197-3792, Vol. 5, nr 3, s. 623-631Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background

    Diverse ethnic groups may differ regarding the risk factors and severity of coronary artery disease (CAD). This study sought to assess the association between ethnicity and CAD risk and severity in six major Iranian ethnic groups.

    Methods

    In this study, 20,165 documented coronary artery disease patients who underwent coronary angiography at a tertiary referral heart center were recruited. The demographic, laboratory, clinical, and risk factor data of all the patients were retrieved. The Gensini score (an indicator of CAD severity) was calculated for all, and the risk factors and severity of CAD were compared between the ethnical groups, using adjusted standardized residuals, Kruskal–Wallis test, and multivariable regression analysis.

    Results

    The mean age of the participants (14,131 [70.1%] men and 6034 [29.9%] women) was 60.7 ± 10.8 years. The Fars (8.7%) and Gilak (8.6%) ethnic groups had the highest prevalence of ≥4 simultaneous risk factors. The mean Gensini score was the highest for the Gilaks (77.1 ± 55.9) and the lowest among the Lors (67.5 ± 52.8). The multivariable regression analysis showed that the Gilaks had the worst severity (β 0.056, 95% CI 0.009 to 0.102; P = 0.018), followed by the Torks (β 0.032, 95% CI 0.005 to 0.059; P = 0.020). Meanwhile, the Lors showed the lowest severity (β −0.087, 95% CI −0.146 to −0.027; P = 0.004).

    Conclusions

    This study found that there was heterogeneity in CAD severity and a diverse distribution in its well-known traditional risk factors among major Iranian ethnic groups.

  • 14.
    Abbasi, SH
    et al.
    Mittuniversitetet, Institutionen för hälsovetenskap.
    De Leon, AP
    Division of Social Medicine, Department of Public Health Sciences, Karolinska Intitutet, Sweden.
    Kassaian, SE
    Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran.
    Karimi.,, AA
    Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran.
    Sundin, Ö
    Mittuniversitetet, Institutionen för samhällsvetenskap.
    Soares, J
    Mittuniversitetet, Institutionen för hälsovetenskap.
    Macassa, Gloria
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Folkhälsovetenskap. Mittuniversitetet, Institutionen för hälsovetenskap.
    Gender Differences in the Risk of Coronary Artery Disease in Iran2012Ingår i: Iranian Journal of Public Health, ISSN 0304-4556, Vol. 41, nr 3, s. 36-47Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background: Given gender differences in the risk of coronary artery disease (CAD), the present study sought to investigate these dissimilarities amongst patients who underwent angiography at a major, tertiary heart hospital in Iran. Methods: Between 2005 and 2010, 44,820 patients who underwent coronary angiography were enrolled in a registry. Pre-procedural data such as demographics, CAD risk factors, presenting symptoms, and laboratory tests, as well as postprocedural data were collected. The data were, subsequently, compared between the men and women. Results: Out of the 44,820 patients (16,378 women), who underwent coronary angiography, 37,358 patients (11,995 women) had CAD. Amongst the CAD patients, the females were not only significantly older, less educated, and more overweight than were the males but also had higher levels of triglyceride, cholesterol, low-density lipoprotein, highdensity lipoprotein, and fasting blood sugar (P< 0.001). Of all the risk factors, hypertension and diabetes mellitus showed the strongest association in our female CAD patients (OR=3.45, 95%CI: 3.28-3.61 and OR=2.37, 95%CI: 2.26- 2.48, respectively). Acute coronary syndrome was more prevalent in the men (76.1% vs. 68.6%, P< 0.001), and chronic stable angina was more frequent in the females (31.4% vs. 23.9%, P< 0.001). With respect to post-procedural recommendations, the frequency of recommendations for non-invasive modalities was higher in the females (20.1% vs. 18.6%, P< 0.001). Conclusion: Hypertension and diabetes mellitus had the strongest association with CAD in our female patients. In the extensive CAD patients, medical treatment was recommended to the women more often.

  • 15.
    Abbott, Rebecca
    et al.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Straker, Leon
    Curtin Health Innovation Research Institute, Curtin University, Perth, Australia.
    Mathiassen, Svend Erik
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
    Patterning of children's sedentary time at and away from school2013Ingår i: Obesity, ISSN 1930-7381, E-ISSN 1930-739X, Vol. 21, s. E131-E133Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Objective:

    Sedentary behavior in children is positively associated with an increased risk of both obesity and insulin resistance. Children spend a considerable portion of their awake time in sedentary behavior; however, the pattern of accumulation is not known. Thus the objective of this study was to describe the patterning of sedentary behavior of children at and away from school.

    Design and Methods:

    The patterns of sedentary time in a sample of 53 children (28 girls) aged 10-12 years during school-term time were examined. Children wore an accelerometer for 1 week. Total sedentary time, prolonged sequences (bouts) of sedentary time, and frequency of active interruptions to sedentary were examined on school days and weekends and within school time and non-school time on school days.

    Results:

    The data did not support our hypothesis that children accumulated more sedentary time on school days when compared with weekend days (mean [SD]: 64.4% [5.3] vs. 64.9% [9.0], P = 0.686). However, when comparing school time with non-school time on school days, children accumulated more sedentary time at school (66.8% [7.3] vs. 62.4% [5.2], P < 0.001) and spent more time at school in sustained sedentary sequences, that is, uninterrupted sedentary time for 30 min or more (75.6 min [45.8] vs. 45.0 min [26.8], P < 0.002). The children also recorded less breaks per sedentary hour within school time when compared with non-school time (8.9 h−1 vs. 10.2 h−1, P < 0.001).

    Conclusion:

    Reducing total sedentary time spent both in and out of school remains an important challenge. Interrupting sedentary time more often in the “working” (school) day could also reap important musculoskeletal and metabolic health rewards for children.

  • 16.
    Abdelrazek, Fathya
    et al.
    Faculty of Nursing, Suez Canal University, Port-Said, Egypt.
    Skytt, Bernice
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för hälso- och vårdvetenskap, Vårdvetenskap. Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden.
    Aly, Magda
    Faculty of Nursing, Suez Canal University, Port-Said, Egypt.
    El-Sabour, Mona Abd
    Faculty of Nursing, Suez Canal University, Port-Said, Egypt.
    Ibrahim, Naglaa
    Faculty of Nursing, Suez Canal University, Port-Said, Egypt.
    Engström, Maria
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för hälso- och vårdvetenskap, Vårdvetenskap. Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden.
    Leadership and management skills of first-line managers of elderly care and their work environment2010Ingår i: Journal of Nursing Management, ISSN 0966-0429, E-ISSN 1365-2834, Vol. 18, nr 6, s. 736-745Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Aim To study the leadership and management skills of first-line managers (FLMs) of elderly care and their work environment in Egypt and Sweden. Background FLMs in Egypt and Sweden are directly responsible for staff and quality of care. However, FLMs in Sweden, in elderly care, have smaller units/organizations to manage than do their colleagues in Egypt. Furthermore, family care of the elderly has been the norm in Egypt, but in recent years institutional care has increased, whereas in Sweden, residential living homes have existed for a longer period. Methods A convenience sample of FLMs, 49 from Egypt and 49 from Sweden, answered a questionnaire measuring leadership and management skills, structural and psychological empowerment, job satisfaction and psychosomatic health. Results In both countries, FLMs' perceptions of their leadership and management skills and psychological empowerment were quite high, whereas scores for job satisfaction and psychosomatic health were lower. FLMs had higher values in several factors/study variables in Egypt compared with in Sweden. Conclusion and implications The work environment, both in Egypt and Sweden, needs to be improved to increase FLMs' job satisfaction and decrease stress. The cultural differences and levels of management have an effect on the differences between the two countries.

  • 17.
    Abhary, Kazem
    et al.
    University of South Australia, Adelaide, Australia.
    Kovacic, Zlatko
    The Open Polytechnic of New Zealand, Lower Hutt, New Zealand.
    Lundberg, Sven-Erik
    Association of International Roll Pass Designers and Rolling Mill Engineers, Dortmund, Germany.
    Narayanan, Ramadas
    Central Queensland University, Bundaberg, Australia.
    Spuzic, Sead
    University of South Australia, Adelaide, Australia.
    The application of a hybrid algorithm to roll pass design2015Ingår i: The International Journal of Advanced Manufacturing Technology, ISSN 0268-3768, E-ISSN 1433-3015, Vol. 79, nr 5-8, s. 1063-1070Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Human–computer interface was utilized to amplify the power of a hybrid algorithm that combines fuzzy logic, regression analysis, and non-linear optimization to extract knowledge from a roll pass design database. This strategy is applied to grooves with vertical and horizontal symmetry which are employed in initial passes to roll a broad range of steel products. The results presented here from the case study are both statistically significant and valid from the viewpoint of roll pass design theory. © 2015, Springer-Verlag London.

  • 18.
    Abid, Muhammad
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion. KTH, School of Industrial Engineering and Management (ITM), Industrial Economics and Management.
    Global Supply Chain Design: Exploring configurational and coordination factors2015Licentiatavhandling, sammanläggning (Övrigt vetenskapligt)
    Abstract [en]

    This thesis addresses the topic of global supply chain design. One major challenge concerns how to manage the tension between separation and integration pertaining to the localization of business activities. In this regard Ferdows (2008) worked to create two new production network models (rooted production network and footloose production network). Earlier studies have highlighted the choices that are involved in the network of facilities but lack in providing a comprehensive picture in terms of both configurational and coordination factors that govern the design of global supply chain. There is a need for a conceptual model where factors affecting the design process of a global supply chain can be applied. Two main research questions have been addressed in this study. First, exploring and identifying the factors affecting global supply chain design. Second, investigating the factors that influence the position on the spectrum of rooted and footloose supply chain design.      

    A literature review analysis and multi-case studies have been performed for this study in order to explore the factors. The companies were selected in order to reflect upon the two types of network, i.e., rooted and footloose. The primary data were selected through interviews with the managers.

    This study highlighted that there are many factors that affect configurational and coordination decision areas within a global supply chain. This study categorized the factors and the configurational/coordination decision areas with two main competitive priorities, i.e., cost and differentiation in the form of a “conceptual model.” The study also highlighted the factors in a matrix, which showed their position on the spectrum of rooted and footloose network configurations. For instance, the coordination factors that drive towards a footloose network include: high orchestration capabilities, need access to new technology and knowledge, proximity to suppliers, etc. The configurational factors that drive towards a rooted network include: economic stability, proximity to market, concerns for sustainability issues, high transportation cost, need for high proximity between key functions, need for intellectual property rights protection, etc.

  • 19.
    Abid, Muhammad
    KTH, Skolan för industriell teknik och management (ITM), Industriell ekonomi och organisation.
    Relationship between competitive priorities and global supply chain design: A conceptual frameworkManuskript (preprint) (Övrigt vetenskapligt)
  • 20.
    Abid, Muhammad
    et al.
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Bengtsson, Lars
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Dabhilkar, Mandar
    Stockholm University, School of Business.
    Factors affecting shifts in global supply chain networks: A configurational approach2013Ingår i: Proceedings of the 20th International Annual EurOMA conference, Dublin, Ireland, 9-12 June 2013, 2013Konferensbidrag (Refereegranskat)
    Abstract [en]

    In certain situations, global companies strive to take advantage of short-term changes in economic and exchange rates on the never-ending journey of competitiveness. This paper seeks to extend Ferdows’s (2008) production network models by adding the factors affecting shifts between rooted and footloose network configurations. Two companies were selected in order to illustrate the models and reveal other possible factors. The identified factors are differentiated in terms of configuration and coordination and merged in a matrix. The trends and implications on global supply chains are also discussed. 

  • 21.
    Abid, Muhammad
    et al.
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Bengtsson, Lars
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Hellberg, Roland
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Dabhilkar, Mandar
    KTH Royal Institute of Technology, Department of Industrial Economics and Management .
    Factors affecting global supply chain design2012Konferensbidrag (Refereegranskat)
    Abstract [en]

    Due to the limited existing knowledge pertaining to the factors which govern localization of operations and capabilities in a global supply chain, the purpose of the paper is to find out which factors and how they jointly affect the design of global supply chains. The relevant literature is reviewed and a concept matrix is developed. Five companies were selected in order to illustrate the issues of global supply chain design. Among them, three companies are considered to have efficient supply chain and less complex products, while the two others are considered to have responsive supply chain and more complex products. The issues discussed with the selected companies cover global sourcing, challenges, technological advancement and issues related to management control. The study identifies about fifty factors that affect global supply chain design, and specifically how theses relate to design decisions on location of factories and production, supplier selection and development, distribution of products and organisation of interfaces along the supply chain. The discrepancies between theory and practice as well as the implications for further research are discussed.

  • 22.
    Abid, Muhammad
    et al.
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Bengtsson, Lars
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Hellberg, Roland
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Mandar, Dabhilkar
    KTH Royal Institute of Technology, Department of Industrial Economics and Management .
    Global supply chain design: Building a decision model2012Konferensbidrag (Refereegranskat)
    Abstract [en]

    The knowledge pertaining to the factors, which govern localization of operations and capabilities in a global supply chain, is limited. The purpose of the paper is to find out which factors and how they jointly affect the design of a global supply chain. The relevant literature is reviewed and a concept matrix is developed. The study identifies 30 factors that affect a global supply chain design and specifically how theses relate to the design decisions on location of factories and production, supplier selection and development, distribution logistics, organisation of interfaces/enterprise information infrastructure along the supply chain and human resource development. The decision model is developed and the description of the model is done with the help of an example (location of a factory) by using the Analytical Hierarchy Process (AHP) (Saaty, 1990).  

  • 23.
    Abid, Muhammad
    et al.
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Fobbe, Lea
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Lozano, Rodrigo
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Sammalisto, Kaisu
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Sustainability reporting as a way to foster entrepreneurial universities2018Ingår i: Proceedings of the 25th Annual EurOMA Conference - To Serve, to Produce and to Servitize in the Era of Networks, Big Data and Analytics, Budapest, June 24-26, 2018., 2018Konferensbidrag (Refereegranskat)
    Abstract [en]

    Higher education institutions (HEIs) play a major role in the development of societies. In the last decades, there has been an increasing interest on the commercialisation of knowledge by universities for economic development that lead to the emergence of the term “Entrepreneurial University”. This study aims to report the sustainability efforts of the University of Gävle, Sweden by applying a systematic tool, Graphical Assessment of Sustainability in Universities (GASU). This study highlights sustainability reporting as a way to improve communication practices between universities and stakeholder. The systematic and holistic assessment of HEIs gives insights of collaboration opportunities and by that foster their entrepreneurial journey.

  • 24.
    Abolghasemi Kordestani, Arash
    et al.
    Luleå Tekniska Universitet.
    Bengtsson, Lars
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Farhat, Farshad
    Peighambari, K
    Lueå Tekniska Universitet.
    Supply chain process maturity and financial performance study of Swedish steel SMEs2010Ingår i: Proceedings of  the 17th Euroma conference, 2010Konferensbidrag (Refereegranskat)
    Abstract [en]

    The goal of this research is to demonstrate that the financial performance of the current year in Swedish steel SMEs is dependent on the amount of maturity of supply chain processes. This is examined by considering current supply chain process maturities of the firm together with financial performance of prior years. It was found that the delivery process of supply chain processes and prior cost of goods sold (COGS) have an effect on current COGS. Additionally, prior inventory and plan process of the supply chain have a positive and negative effect on inventory turnover respectively.

  • 25. Aboul-Ata, Aboul-Ata E.
    et al.
    Vitti, Antonella
    Nuzzaci, Maria
    El-Attar, Ahmad K.
    Piazzolla, Giuseppina
    Tortorella, Cosimo
    Harandi, Ali M.
    Olson, Olof
    Wright, Sandra A. I.
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för elektronik, matematik och naturvetenskap, Biologi.
    Piazzolla, Pasquale
    Plant-Based Vaccines: Novel and Low-Cost Possible Route for Mediterranean Innovative Vaccination Strategies2014Ingår i: Advances in Virus Research / [ed] Maramorosch, K; Murphy, F A, Elsevier, 2014, Vol. 89, s. 1-37Kapitel i bok, del av antologi (Refereegranskat)
    Abstract [en]

    A plant bioreactor has enormous capability as a system that supports many biological activities, that is, production of plant bodies, virus-like particles (VLPs), and vaccines. Foreign gene expression is an efficient mechanism for getting protein vaccines against different human viral and nonviral diseases. Plants make it easy to deal with safe, inexpensive, and provide trouble-free storage. The broad spectrum of safe gene promoters is being used to avoid risk assessments. Engineered virus-based vectors have no side effect. The process can be manipulated as follows: (a) retrieve and select gene encoding, use an antigenic protein from GenBank and/or from a viral-genome sequence, (b) design and construct hybrid-virus vectors (viral vector with a gene of interest) eventually flanked by plant-specific genetic regulatory elements for constitutive expression for obtaining chimeric virus, (c) gene transformation and/or transfection, for transient expression, into a plant host model, that is, tobacco, to get protocols processed positively, and then moving into edible host plants, (d) confirmation of protein expression by bioassay, PCR-associated tests (RT-PCR), Northern and Western blotting analysis, and serological assay (ELISA), (e) expression for adjuvant recombinant protein seeking better antigenicity, (f) extraction and purification of expressed protein for identification and dosing, (g) antigenicity capability evaluated using parental or oral delivery in animal models (mice and/or rabbit immunization), and (h) growing of construct-treated edible crops in protective green houses. Some successful cases of heterologous gene-expressed protein, as edible vaccine, are being discussed, that is, hepatitis C virus (HCV). R9 mimotope, also named hypervariable region 1 (HVR1), was derived from the HVR1 of HCV. It was used as a potential neutralizing epitope of HCV. The mimotope was expressed using cucumber mosaic virus coat protein (CP), alfalfa mosaic virus CP P3/RNA3, and tobacco mosaic virus (TMV) CP tobacco mild green mosaic virus (TMGMV) CP as expression vectors into tobacco plants. Expressed recombinant protein has not only been confirmed as a therapeutic but also as a diagnostic tool. Herpes simplex virus 2 (HSV-2), HSV-2 gD, and HSV-2 VP16 subunits were transfected into tobacco plants, using TMV CP TMGMV CP expression vectors.

  • 26.
    Abraha, Desalegn
    et al.
    Högskolan i Skövde.
    Hyder, Akmal S
    Högskolan i Gävle, Institutionen för ekonomi, Ämnesavdelningen för företagsekonomi.
    From industrial networks to strategic alliances or vice-versa2009Ingår i: International Journal of Business and Emerging Markets, ISSN 1753-6219, Vol. 1, nr 4, s. 361-386Artikel i tidskrift (Refereegranskat)
  • 27. Abraha, Desalegn
    et al.
    Hyder, Akmal S
    Högskolan i Gävle, Institutionen för ekonomi, Ämnesavdelningen för företagsekonomi.
    The service firms' establishments in developing countries2000Ingår i: Journal of Euromarketing, ISSN 1049-6483, E-ISSN 1528-6967, Vol. 9, nr 1, s. 57-86Artikel i tidskrift (Refereegranskat)
  • 28.
    Abraha Gebrekidan, Desalegn
    et al.
    Högskolan i Skövde, Skövde.
    Osarenkhoe, Aihie
    Högskolan i Gävle, Institutionen för ekonomi, Ämnesavdelningen för företagsekonomi.
    Awuah, Gabriel Baffour
    Högskolan i Halmstad, Halmstad.
    Relationships and Networks in the Processes of Establishment of Firms in Transitional Economies: The case of Scandinavian firms in Eastern and Central Europe2006Rapport (Övrig (populärvetenskap, debatt, mm))
    Abstract [en]

    Focus on the particular entry mode a firm uses to enter a new market, rather than the process of establishment dominates in extant literature. To fill this void, we apply an establishment process model developed from the network approach to illuminate the web of relationship forms embedded in the establishment process of two Scandinavian firms as they attempt to establish themselves in transition economies. In one case, the results show that Statoil’s process of establishment in Estonia was less time- and resource-consuming because the firm drew support from significant actors in their network of exchange relationships. In the second case, a lack of home and host country support for Scania in Croatia resulted in an arduous and costly process and less stable position in the market, with the firm’s position changing several times as different problems cropped up. In light of the findings from the two cases, theoretical and practical implications for managing the establishment process are discussed.

  • 29.
    Abraham, David
    et al.
    Lunds Universitet.
    Ryrholm, Nils
    Högskolan i Gävle, Institutionen för matematik, natur- och datavetenskap, Ämnesavdelningen för naturvetenskap.
    Witzell, Håkan
    Lunds Universitet.
    Scoble, Malcolm
    British Museum of Natural History.
    Holloway, Jeremy
    British Museum of Natural History.
    Löfstedt, Christer
    Lunds Universitet.
    Molecular phylogeny of the subfamilies in Geometridae (Geometroidea: Lepidoptera.)2001Ingår i: Molecular Phylogenetics and Evolution, ISSN 1055-7903, E-ISSN 1095-9513, Vol. 20, s. 65-77Artikel i tidskrift (Refereegranskat)
  • 30.
    Abrahamsen, Håkon B
    et al.
    Norwegian Air Ambulance Fdn, Drobak, Norway; Univ Bergen, Bergen, Norway; Natl Ctr Emergency Primary Hlth Care, Bergen, Norway; Univ Stavanger, Stavanger, Norway .
    Sollid, Stephen J M
    Norwegian Air Ambulance Fdn, Drobak, Norway; Univ Stavanger, Stavanger, Norway; Oslo University Hospital, Oslo, Norway.
    Öhlund, Lennart S.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Folkhälsovetenskap.
    Røislien, Jo
    Univ Stavanger, Stavanger, Norway; Univ Oslo, Oslo, Norway.
    Bondevik, Gunnar Tschudi
    Univ Bergen, Bergen, Norway; Natl Ctr Emergency Primary Hlth Care, Bergen, Norway.
    Simulation-based training and assessment of non-technical skills in the Norwegian Helicopter Emergency Medical Services: a cross-sectional survey2015Ingår i: Emergency Medicine Journal, ISSN 1472-0205, E-ISSN 1472-0213, Vol. 32, nr 8, s. 647-653Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background: Human error and deficient non-technical skills (NTSs) among providers of ALS in helicopter emergency medical services (HEMS) is a threat to patient and operational safety. Skills can be improved through simulation-based training and assessment. Objective: To document the current level of simulation-based training and assessment of seven generic NTSs in crew members in the Norwegian HEMS. Methods: A cross-sectional survey, either electronic or paper-based, of all 207 physicians, HEMS crew members (HCMs) and pilots working in the civilian Norwegian HEMS (11 bases), between 8 May and 25 July 2012. Results: The response rate was 82% (n=193). A large proportion of each of the professional groups lacked simulation-based training and assessment of their NTSs. Compared with pilots and HCMs, physicians undergo statistically significantly less frequent simulation-based training and assessment of their NTSs. Fifty out of 82 (61%) physicians were on call for more than 72 consecutive hours on a regular basis. Of these, 79% did not have any training in coping with fatigue. In contrast, 72 out of 73 (99%) pilots and HCMs were on call for more than 3 days in a row. Of these, 54% did not have any training in coping with fatigue. Conclusions: Our study indicates a lack of simulation-based training and assessment. Pilots and HCMs train and are assessed more frequently than physicians. All professional groups are on call for extended hours, but receive limited training in how to cope with fatigue.

  • 31.
    Abrehdary, M.
    et al.
    Royal Inst Technol KTH, Div Geodesy & Satellite Positioning, S-10044 Stockholm, Sweden..
    Sjöberg, L. E.
    Royal Inst Technol KTH, Div Geodesy & Satellite Positioning, S-10044 Stockholm, Sweden..
    Bagherbandi, Mohammad
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Samhällsbyggnad, GIS. Royal Inst Technol KTH, Div Geodesy & Satellite Positioning, S-10044 Stockholm, Sweden..
    Modelling Moho depth in ocean areas based on satellite altimetry using Vening Meinesz-Moritz' method2016Ingår i: Acta Geodaetica et Geophysica, ISSN 2213-5812, Vol. 51, nr 2, s. 137-149Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    An experiment for estimating Moho depth is carried out based on satellite altimetry and topographic information using the Vening Meinesz-Moritz gravimetric isostatic hypothesis. In order to investigate the possibility and quality of satellite altimetry in Moho determination, the DNSC08GRA global marine gravity field model and the DTM2006 global topography model are used to obtain a global Moho depth model over the oceans with a resolution of 1 degrees x 1 degrees. The numerical results show that the estimated Bouguer gravity disturbance varies from 86 to 767 mGal, with a global average of 747 mGal, and the estimated Moho depth varies from 3 to 39 km with a global average of 19 km. Comparing the Bouguer gravity disturbance estimated from satellite altimetry and that derived by the gravimetric satellite-only model GOGRA04S shows that the two models agree to 13 mGal in root mean square (RMS). Similarly, the estimated Moho depths from satellite altimetry and GOGRA04S agree to 0.69 km in RMS. It is also concluded that possible mean dynamic topography in the marine gravity model does not significantly affect the Moho determination.

  • 32.
    Abrehdary, Majid
    et al.
    Department of Environment and Life Sciences, Geomatics Section, University of Karlstad, Karlstad,Sweden; Division of Geodesy and Satellite Positioning, Royal Institute of Technology (KTH), Stockholm, Sweden.
    Lars, Sjöberg
    Division of Geodesy and Satellite Positioning, Royal Institute of Technology(KTH), Sweden.
    Bagherbandi, Mohammad
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Samhällsbyggnad, GIS.
    Sampietro, Daniele
    GReD s.r.l., Como, Italy.
    Towards the Moho depth and Moho density contrast along with their uncertainties from seismic and satellite gravity observations2017Ingår i: Journal of Applied Geodesy, ISSN 1862-9016, E-ISSN 1862-9024, Vol. 11, nr 4, s. 231-247Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    We present a combined method for estimating a new global Moho model named KTH15C, containing Moho depth and Moho density contrast (or shortly Moho parameters), from a combination of global models of gravity (GOCO05S), topography (DTM2006) and seismic information (CRUST1.0 and MDN07) to a resolution of 1° × 1° based on a solution of Vening Meinesz-Moritz’ inverse problem of isostasy. This paper also aims modelling of the observation standard errors propagated from the Vening Meinesz-Moritz and CRUST1.0 models in estimating the uncertainty of the final Moho model. The numerical results yield Moho depths ranging from 6.5 to 70.3 km, and the estimated Moho density contrasts ranging from 21 to 650 kg/m3, respectively. Moreover, test computations display that in most areas estimated uncertainties in the parameters are less than 3 km and 50 kg/m3, respectively, but they reach to more significant values under Gulf of Mexico, Chile, Eastern Mediterranean, Timor sea and parts of polar regions. Comparing the Moho depths estimated by KTH15C and those derived by KTH11C, GEMMA2012C, CRUST1.0, KTH14C, CRUST14 and GEMMA1.0 models shows that KTH15C agree fairly well with CRUST1.0 but rather poor with other models. The Moho density contrasts estimated by KTH15C and those of the KTH11C, KTH14C and VMM model agree to 112, 31 and 61 kg/m3 in RMS. The regional numerical studies show that the RMS differences between KTH15C and Moho depths from seismic information yields fits of 2 to 4 km in South and North America, Africa, Europe, Asia, Australia and Antarctica, respectively.

  • 33.
    Abrehdary, Majid
    et al.
    Division of Geodesy and Satellite Positioning, Royal Institute of Technology (KTH), Stockholm, Sweden.
    Sjöberg, Lars E.
    Division of Geodesy and Satellite Positioning, Royal Institute of Technology (KTH), Stockholm, Sweden.
    Bagherbandi, Mohammad
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Samhällsbyggnad, GIS. Division of Geodesy and Satellite Positioning, Royal Institute of Technology (KTH), Stockholm, Sweden.
    Combined Moho parameters determination using CRUST1.0 and Vening Meinesz-Moritz model2015Ingår i: Journal of Earth Science, ISSN 1674-487X, E-ISSN 1867-111X, Vol. 26, nr 4, s. 607-616Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    According to Vening Meinesz-Moritz (VMM) global inverse isostatic problem, either the Moho density contrast (crust-mantle density contrast) or the Moho geometry can be estimated by solving a non-linear Fredholm integral equation of the first kind. Here solutions to the two Moho parameters are presented by combining the global geopotential model (GOCO-03S), topography (DTM2006) and a seismic crust model, the latter being the recent digital global crustal model (CRUST1.0) with a resolution of 1A(0)x1A(0). The numerical results show that the estimated Moho density contrast varies from 21 to 637 kg/m(3), with a global average of 321 kg/m(3), and the estimated Moho depth varies from 6 to 86 km with a global average of 24 km. Comparing the Moho density contrasts estimated using our leastsquares method and those derived by the CRUST1.0, CRUST2.0, and PREM models shows that our estimate agrees fairly well with CRUST1.0 model and rather poor with other models. The estimated Moho depths by our least-squares method and the CRUST1.0 model agree to 4.8 km in RMS and with the GEMMA1.0 based model to 6.3 km.

  • 34.
    Abrehdary, Majid
    et al.
    Division of Geodesy and Satellite Positioning, Royal Institute of Technology (KTH), Stockholm, Sweden.
    Sjöberg, Lars E.
    Division of Geodesy and Satellite Positioning, Royal Institute of Technology (KTH), Stockholm, Sweden.
    Bagherbandi, Mohammad
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Samhällsbyggnad, GIS. Division of Geodesy and Satellite Positioning, Royal Institute of Technology (KTH), Stockholm, Sweden.
    The spherical terrain correction and its effect on the gravimetric-isostatic Moho determination2016Ingår i: International Journal of Geophysics, ISSN 1687-885X, E-ISSN 1687-8868, Vol. 204, nr 1, s. 262-273Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    In this study, the Moho depth is estimated based on the refined spherical Bouguer gravity disturbance and DTM2006 topographic data using the Vening Meinesz-Moritz gravimetric-isostatic hypothesis. In this context, we compute the refined spherical Bouguer gravity disturbances in a set of 1° × 1° blocks. The spherical terrain correction, a residual correction to each Bouguer shell, is computed using rock heights and ice sheet thicknesses from the DTM2006 and Earth2014 models. The study illustrates that the defined simple Bouguer gravity disturbance corrected for the density variations of the oceans, ice sheets and sediment basins and also the non-isostatic effects needs a significant terrain correction to become the refined Bouguer gravity disturbance, and that the isostatic gravity disturbance is significantly better defined by the latter disturbance plus a compensation attraction. Our study shows that despite the fact that the lateral variation of the crustal depth is rather smooth, the terrain affects the result most significantly in many areas. The global numerical results show that the estimated Moho depths by the simple and refined spherical Bouguer gravity disturbances and the seismic CRUST1.0 model agree to 5.6 and 2.7 km in RMS, respectively. Also, the mean value differences are 1.7 and 0.2 km, respectively. Two regional numerical studies show that the RMS differences between the Moho depths estimated based on the simple and refined spherical Bouguer gravity disturbance and that using CRUST1.0 model yield fits of 4.9 and 3.2 km in South America and yield 3.2 and 3.4 km in Fennoscandia, respectively.

  • 35.
    Abugessaisa, Imad
    et al.
    Department of Medicine, Karolinska Institutet.
    Östman, Anders
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Samhällsbyggnad/GIS-Institutet.
    Testing-SDI: E-government Prospective, Requirements, and Challenges2011Ingår i: International Journal of Public Information Systems, ISSN 1653-4360, Vol. 2011, nr 1, s. 11-47Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Spatial Data Infrastructure denotes the collection of technologies, policies and institutional arrangements that facilitate the availability of and access to spatial information. During the last few years the development of spatial data infrastructure in Sweden has been influenced by two actions. The first was the European Directive in spatial data infrastructure namely Infrastructure for Spatial Information in Europe (INSPIRE), and the second action was the Swedish parliament's directive early in 2008 on e-Government. In a modern society, spatial data play major roles and have different applications such as information support during disaster prevention and management. These two milestones involving Geodata development have created huge demands and represent great challenges for researchers in the area of spatial data infrastructure. One of these challenges concerned the methodologies involved for testing proposed data specifications from INSPIRE. This paper addresses the above challenge and introduces a framework for testing Geodata. The testing of Geodata includes, the testing of the data specifications for different geographical themes and data structure, the performance testing of Opengeospatial Web Services (OWS) and the usability of Geoportals and services. The proposed methods were evaluated during a pilot test for a regional geoportal in Sweden, and the reported results in this paper show the feasibility and applicability of the methods used. The methods used assisted in the identification of the performance related defects and the bottleneck involved in relation to the response time, stress and load. The methods support the detection of different types of errors that occur during the testing time such as http error, timeout error, and socket error. During the pilot test of a geoportal, it was discovered that the response time was 30 seconds which is 6 times higher than the INSPIRE required time (Maximum 5 second), with 500 virtual users accessing the system and performing a specific task. A usability test was conducted which focused on the users' acceptance and the “think aloud” methods. The usability testing enabled the identification of user-interface related problems and the results were quantified to enable comparisons to be made with current results and those from the new test.

  • 36. Adams, Robin
    et al.
    Fincher, Sally
    Pears, Arnold
    Börstler, Jürgen
    Boustedt, Jonas
    Högskolan i Gävle, Institutionen för matematik, natur- och datavetenskap, Ämnesavdelningen för datavetenskap.
    Dalenius, Peter
    Eken, Gunilla
    Heyer, Tim
    Jacobsson, Andreas
    Lindberg, Vanja
    Molin, Bengt
    Moström, Jan-Erik
    Wiggberg, Mattias
    What is the word for 'Engineering' in Swedish: Swedish students conceptions of their discipline2007Rapport (Övrigt vetenskapligt)
    Abstract [en]

    Engineering education in Sweden – as in the rest of the world – is experiencing a decline in student interest. There are concerns about the ways in which students think about engineering education, why they join an academic programme in engineering, and why they persist in their studies. In this context the aims of the Nationellt ämnesdidaktiskt Centrum för Teknikutbildning i Studenternas Sammanhang project (CeTUSS) is to investigate the student experience and to identify and support a continuing network of interested researchers, as well as in building capacity for disciplinary pedagogic investigation.

    The Stepping Stones project brings together these interests in a multi-researcher, multi-institutional study that investigates how tudents and academic staff perceive engineering in Sweden and in Swedish education. The first results of that project are reported here. As this study is situated uniquely in Swedish education, it allows for exploration of “a Swedish perspective” on conceptions of engineering. The Stepping Stones project was based on a model of research capacity-building previously instantiated in the USA and Australia (Fincher & Tenenberg, 2006).

  • 37.
    Agndal, Henrik
    et al.
    School of Business, Economics and Law, Gothenburg, Sweden.
    Åge, Lars-Johan
    Stockholm School of Economics, Stockholm, Sweden.
    Eklinder-Frick, Jens
    Uppsala University, Uppsala, Sweden.
    Two decades of business negotiation research: an overview and suggestions for future studies2017Ingår i: The journal of business & industrial marketing, ISSN 0885-8624, E-ISSN 2052-1189, ISSN 0885-8624, Vol. 32, nr 4, s. 487-504Artikel, forskningsöversikt (Refereegranskat)
    Abstract [en]

    Purpose: This article present a review of articles on business negotiation published between 1995 and 2015.

    Design/methodology/approach: This literature review is based on 490 article on business negotiation.

    Findings: When analyzing the conceptual underpinnings of this field, two paradigms emerge as dominant. The most prominent paradigm is a cognitive, psychological approach, typically relying on experiments and statistical testing of findings. The second dominating paradigm is a behavioral one, largely concerned with mathematical modelling and game-theoretical models.

    Practical implications: Besides offering a description of the characteristics adhered to the business negotiation field, this paper will also suggest recommendations for further research and specify areas in which the research field needs further conceptual and empirical development.

    Originality/value: This literature review serves to be the first representation of the characteristics adhered to the budding research field of business negotiation.

  • 38.
    Agostini, Lara
    et al.
    University of Padova, Italy.
    Bengtsson, Lars
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Lazzarotti, Valentina
    Carlo Cattaneo University LIUC, Italy.
    Manzini, Raffaella
    Carlo Cattaneo University LIUC, Italy.
    Nosella, Anna
    University of Padova, Italy.
    Pellegrini, Luisa
    Stefan, Ioana
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Combining an external with an internal perspective on open innovation with scientific partners and patenting2017Ingår i: 18th International CINet Conference: Digitalization and innovation: designing the organization of the future, 2017Konferensbidrag (Refereegranskat)
  • 39.
    Agostini, Lara
    et al.
    University of Padova, Italy.
    Bengtsson, Lars
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Lazzarotti, Valentina
    Carlo Cattaneo University LIUC, Italy.
    Manzini, Raffaella
    Carlo Cattaneo University LIUC, Italy.
    Nosella, Anna
    University of Padova, Italy.
    Stefan, Ioana
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, Industriell ekonomi. Högskolan i Gävle, Centrum för logistik och innovativ produktion.
    Open innovation with scientific partners and patenting: the moderating role of the internal context for innovation2017Ingår i: Proceedings of IFKAD 2017: Knowledge Management in the 21st Century: Resilience, Creativity and Co-creation, 2017Konferensbidrag (Refereegranskat)
  • 40.
    Ahacic, Kozma
    et al.
    Karolinska institutet.
    Trygged, Sven
    Stockholms universitet, Institutionen för socialt arbete - Socialhögskolan.
    Kåreholt, Ingemar
    Ageing Research Centre; Stockholms universtiet; Karolinska institutet.
    Income and education as predictors of stroke mortality after the survival of a first stroke2012Ingår i: Stroke Research and Treatment, ISSN 2090-8105, E-ISSN 2042-0056, artikel-id 983145Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background. It is well known that socioeconomic indicators, such as income and education, predict both stroke incidence and stroke mortality. This means that persons in lower socioeconomic positions are less likely to survive their stroke, and there will be a selective survival in the group discharged from hospital after their first stroke. Question. Does socioeconomic position continue to predict mortality, stroke specific, or from other causes, among patients surviving their first stroke in spite of this selective survival? Methods. All persons in Sweden aged 40–59 years who were discharged after a first hospitalization for stroke in 1996–2000 were included (n = 10,487), then followed up until the end of the fourth calendar year after discharge. Data were analysed with Cox regressions controlling for age, sex, and stroke type. Results. Persons with high socioeconomic position, measured by education and income, have lower mortality than those of low position. Education was not significant when adjusted for income, however. The risk of dying was similar for stroke-specific mortality and all-cause mortality, for those with cerebral infarction as well as for all patients. Conclusions. Socioeconomic position predicted stroke-specific mortality also in the selective group of persons who survived their first stroke.

  • 41.
    Ahamdi, Fereshteh
    et al.
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för socialt arbete och kriminologi.
    Rabbani, Mohammad
    Religious Coping Methods among Cancer Patients in Three Islamic Countries: A Comparative Perspective2019Ingår i: International Journal of Social Science Studies, ISSN 2324-8033;, Vol. 7, nr 5, s. 72-82, artikel-id 10.11114/ijsss.v7i5.4417Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The present article aimed to compare the use of religious coping methods among cancer patients in three Islamic countries from a sociocultural perspective.  The article is based on an international study on meaning-making coping in ten countries, among others Malaysia, Iran and Turkey. Qualitative semi-structured interviews were conducted among cancer patients in Malaysia (29), Iran (27) and Turkey (25). The results of the comparison show certain differences in use of religious coping methods between informants in these three countries despite Islam being the dominant religion in all contexts.  The findings of this comparative study show the important role culture plays in coping.

  • 42.
    Ahl, Astrid
    et al.
    Umeå universitet, Samhällsvetenskapliga fakulteten, Institutionen för tillämpad utbildningsvetenskap.
    Olofsson, Åke
    Högskolan i Gävle, Akademin för utbildning och ekonomi, Avdelningen för kultur-, religions- och utbildningsvetenskap, Pedagogik.
    Taube, Karin
    Umeå universitet, Humanistiska fakulteten, Institutionen för språkstudier.
    Studenter med dyslexi inom högre utbildning i Sverige och Storbritannien2010Ingår i: Dyslexi, ISSN 1401-2480, Vol. 3, s. 4-9Artikel i tidskrift (Refereegranskat)
  • 43. Beställ onlineKöp publikationen >>
    Ahlberg, Anna-Karin
    Gävle kommun.
    Från pedagogisk lunch till måltidspedagogik: en het potatis i förskolan?2017Ingår i: Förskolans kommunikationsmiljö: betraktelser och reflektioner kring Gävle förskolors kommunikativa möjligheter / [ed] Pettersson, D. & Magnusson, L., Gävle: Gävle University Press , 2017, s. 193-213Kapitel i bok, del av antologi (Övrig (populärvetenskap, debatt, mm))
  • 44.
    Ahlbom, Håkan
    et al.
    Högskolan i Gävle, Institutionen för teknik och byggd miljö, Ämnesavdelningen för elektronik.
    Nordlander, Edvard
    Högskolan i Gävle, Institutionen för teknik och byggd miljö, Ämnesavdelningen för elektronik.
    Inspirerar teknikämnet i den svenska grundskolan till högre teknikstudier?2009Konferensbidrag (Övrigt vetenskapligt)
    Abstract [sv]

    Krisen i tillströmningen till svensk teknikutbildning har uppmärksammats kraftigt av avnämarkategorierna den senaste tiden. Fackföreningen Sveriges Ingenjörer hävdar att om inget görs kommer det år 2020 att fattas 50 000 ingenjörer, vilket motsvarar en fjärdedel av arbetsstyrkan i vid bemärkelse om något mer än ett decennium. I ROSE-rapporten beskrivs ett allmänt ointresse för tekniska och naturvetenskapliga studier bland I-ländernas ungdomar i skarp kontrast till ungdomar i utvecklingsländer. Detta beror på att elevernas väljer utbildning efter värderingar och identiteter, vilket inte tycks uppfyllas av tekniska studier.

     

    I föreliggande arbete kommer faktorer för ungdomars studieval att kartläggas. Den svenska grundskolans teknikämne har ett uttalade mål - att utveckla intresse för teknik. Undersökningen vänder sig direkt till eleverna och försöker ge svar på om teknikämnet lever upp till detta mål. De lokala kursplanerna skiljer sig avsevärt och de typer som man kan hitta på skolornas webbplatser är oftast av någon av följande typer:

    1.      Lokal kursplan som i detalj beskriver vad som skall behandlas årskursvis samt de mål som eleven förväntas uppnå.

    2.      Nationella kursplanen utan lokala tolkningar eller specifikationer för ämnets genomförande.

    3.      En synnerligen kort lokal kursplan (mera traditionella ämnen är vanligtvis avsevärt mera specificerade).

    4.      Ingen kursplan för teknikämnet presenteras överhuvudtaget.

     

    Undersökningen tar även hänsyn till lärarnas kompetens inom ämnet och sätter resultatet i relation till bristfällig utbildning.

     

    Frågeställningar: Hur kan man genomföra god utbildning i teknikämnet utan kursplan eller endast med den nationella kursplanen möjligen kompletterad med synnerligen rudimentära tolkningar och specifikationer? Hur kan en lärare med bristfällig utbildning inom ämnet genomföra högkvalitativ undervisning och utveckla elevernas intresse? Finns det en korrelation mellan vagt specificerade kursplaner, lärares brister i utbildning, samhällets signaler om att förverkliga personliga mål i samklang med den egna identiteten, samt den mångfacetterade svenska gymnasieskolan, som kan ge svar på varför elever avstår från högre tekniska studier? Vilka är elevernas synpunkter på teknikämnet som inspirationskälla och vad minns man från undervisningen efter någon tid? I vilken mån utvecklade teknikämnet ett tekniskt intresse och gav det i så fall resultat i valet av gymnasieutbildning?

     

    Undersökningen är primärt baserad på en fenomenologisk kvalitativ metod med djupintervjuer. I detta arbete kommer pilotintervjuer att redovisas – ett sätt att förfina metoden och senare göra mera omfattande intervjuarbete där egna förutfattade meningar om intervjuobjekten minimeras, informationen renodlas och resultat syntetiseras.

     

    Urvalet av intervjuobjekt sker i grundskolans sista år, då eleverna bestämt sig för gymnasieinriktning (oavsett vilket) och därför sannolikt kan ge information om vilka faktorer som inverkade. Urvalet kommer att ske såväl med tanke på kön (teknikutbildning är manligt dominerad) som hemvist (uppväxt på landet eller i tätort) - faktorer som kan ha betydelse i studievalet.

     

    Elever från gymnasiets första (och möjligen andra) år kommer att delta i en enkätundersökning för att undersöka om deras teknikintresse har ändrats. Enkäten kommer senare att utnyttjas på intervjuobjekten från grundskolan, när de påbörjat gymnasiala studier, och resultaten jämförs med den tidigare informationen från intervjuerna.

  • 45.
    Ahlbom, Håkan
    et al.
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för elektronik, matematik och naturvetenskap, Elektronik.
    Nordlander, Edvard
    Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för elektronik, matematik och naturvetenskap, Elektronik.
    Why choose a technical career?2010Ingår i: Socio-cultural and Human Values in Science and Technology Education / [ed] Slavko Dolinšek, Terry Lyons, Ljubljana, Slovenia: IRI UL , 2010Konferensbidrag (Refereegranskat)
    Abstract [en]

     

    Technology is a neglected mandatory subject in the Swedish compulsory school. The subject is supposed to inspire young people to consider a technical career, due to an increasing need for engineers and a declining recruitment to engineering education.

    An investigation of influential factors for choosing a technical career is presented. The factors are well-known, but the relative impact of the factors is investigated using questionnaires and semi-structured interviews with engineering students. Special focus is put on the effect of previous technical schooling. The most important factors for choosing technical education are personal technical interest, future salary expectations, and personal qualities.

  • 46.
    Ahlbom, Håkan
    et al.
    Högskolan i Gävle, Institutionen för teknik och byggd miljö, Ämnesavdelningen för elektronik.
    Ylva, Bjelksäter
    Högskolan i Gävle, Institutionen för teknik och byggd miljö, Ämnesavdelningen för elektronik.
    Eva, Hartell
    Stockholms universitet, UTEP.
    Edvard, Nordlander
    Högskolan i Gävle, Institutionen för teknik och byggd miljö, Ämnesavdelningen för elektronik.
    Cooperative methods for investigating the influence of Swedish compulsory technology education on pupils’ attitudes to technology2009Ingår i: PATT 22  (Pupils' Attitudes Towards Technology), 2009Konferensbidrag (Refereegranskat)
    Abstract [en]

    The number of Swedish students applying to technical education is decreasing, and this fact will lead to a severe shortage of engineers in a just a decade. As an example, the candidates applying to the Royal Institute of Technology (KTH) has reduced by 30 % the last couple of years. Furthermore, the ROSE report clearly describes young people’s lack of interest in science and technology in the industrialised world in sharp contrast to the situation in the developing countries.

    Why is the interest for technical education decreasing? What makes other fields of education more popular? What image of technology does the compulsory school deliver?

    Technology was introduced as a mandatory subject in Swedish compulsory school in 1980 and got its own syllabus when the current national curriculum was introduced in 1994. One of the goals of the Swedish compulsory school is to develop an interest for technology as well as capability and judgement in handling technical issues.

    In what way does the Swedish compulsory school work with this goal? Is the school successful in making pupils interested? What are the pupils’ opinions?

    Each school can decide when and how the pupils get technology education, but every pupil is expected and entitled to reach the national goals.

    To get an overall picture of the technology subject questions will be investigated as parts of tree different Ph.D. projects.

    • How do we actually know that pupils learn what they are entitled to?
    • How is the technology syllabus interpreted, in theory and practice?
    • Does the technology subject really develop an interest for technology and does it inspire to further technical studies? 

    In order to find out if pupils reach the national goals in technology, a questionnaire is launched in schools all over Sweden. The interpretation of the syllabus will be studied through observations comparing teaching practice with the local planning of the technology subject. To get answers, whether the technology subject has any impact on the interest and the choice of further studies, interviews are made among students and teachers in compulsory school as well as in upper secondary school.

    The findings of the cooperating projects will together contribute with answers about the state of the technology education in the Swedish compulsory school system, and how the subject could be developed in the future.

  • 47.
    Ahlin, Catharina
    et al.
    Department of Medicine, Division of Hematology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden; Red Cross University College, Stockholm, Sweden.
    Klang-Söderkvist, Birgitta
    Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden.
    Johansson, Erika
    Department of Medicine, Division of Hematology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden; Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden.
    Björkholm, Magnus
    Department of Medicine, Division of Hematology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden.
    Löfmark, Anna
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för hälso- och vårdvetenskap, Medicin- och vårdvetenskap. Western Norway University of Applied Sciences, Department of Health Sciences, Haugesund, Norway.
    Assessing nursing students’ knowledge and skills in performing venepuncture and inserting peripheral venous catheters2017Ingår i: Nurse Education in Practice, ISSN 1471-5953, E-ISSN 1873-5223, Vol. 23, s. 8-14Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Venepuncture and the insertion of peripheral venous catheters are common tasks in health care, and training in these procedures is included in nursing programmes. Evidence of nursing students’ knowledge and skills in these procedures is limited. The main aim of this study was to assess nursing students’ knowledge and skills when performing venepuncture and inserting peripheral venous catheters. Potential associations between level of knowledge and skills, self-training, self-efficacy, and demographic characteristics were also investigated. The assessment was performed by lecturers at a university college in Sweden using the two previously tested instruments "Assess Venepuncture"€ and "Assess Peripheral Venous Catheter Insertion". Between 81% and 100% of steps were carried out correctly by the students. The step with the highest rating was "€œUses gloves", and lowest rating was "€˜Informs the patients about the possibility of obtaining local anaesthesia"€™. Significant correlations between degree of self-training and correct performance were found in the group of students who registered their self-training. No associations between demographic characteristics and correct performances were found. Assessing that students have achieved adequate levels of knowledge and skills in these procedures at different levels of the nursing education is of importance to prevent complications and support patient safety.

  • 48.
    Ahlin, Catharina
    et al.
    karolinska institutet, Stockholm.
    Löfmark, Anna
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för hälso- och vårdvetenskap, Vårdvetenskap.
    Klang, Birgitta
    Karolinska institutet, Stockholm.
    Johansson, Eva
    Karolinska institutet, Stockholm.
    Development of instruments for assessment of nursing students’ knowledge and skills in performing venepuncture and inserting peripheral venous catheters2011Konferensbidrag (Refereegranskat)
  • 49.
    Ahlin, Catharina
    et al.
    Karolinska institutet.
    Löfmark, Anna
    Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för hälso- och vårdvetenskap, Vårdvetenskap.
    Klang Söderkvist, Birgitta
    Karolinska instituet.
    Johansson, Eva
    Karolinska Instituet.
    Development of instruments for assessment of knowledge and skills in performing venepuncture and inserting peripheral venous catheters2013Ingår i: Journal of Vascular Access, ISSN 1129-7298, E-ISSN 1724-6032, Vol. 14, nr 4, s. 364-372Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Purpose: Performing venepuncture is one of the most routinely performed invasive procedures in nursing care. The aim of this study was to develop instruments for the assessment of nursing students' knowledge and skills when performing venepuncture and inserting a peripheral venous catheter. 
Methods: Two instruments were developed using the following steps. 1) Assessment items of importance for the procedures (venepuncture 48 items and peripheral venous catheter 51 items) were collected from focus groups including nurses, lecturers and patients. 2) The number of items was reduced using a method based on the Delphi method. Experts (n=51) reviewed the instruments in two rounds. The revised versions included 31 items for venepuncture and 33 items for peripheral venous catheter insertion. 3) Usability tests were conducted by nurses who tested the instruments to confirm that items were possible to assess. 4) Inter-rater reliability was assessed by twelve lecturers who in pairs, but independently of each other, used the instruments to assess 50 nursing students. 
Results: Proportion of agreement and Cohen's kappa coefficient were calculated for each item to determine inter-rater reliability. Among the tested items for both instruments, the median proportion of agreement was 1 (range 0.66-1) and the median kappa was 0.52 (range 0.22-1). 
Conclusions: The instruments developed for assessing nursing students' knowledge and skills of venepuncture and peripheral venous catheter insertion showed satisfactory inter-rater reliability.

  • 50.
    Ahlquist, Eva-Maria
    et al.
    Stockholms universitet.
    Gustafsson, Christina
    Högskolan i Gävle, Akademin för utbildning och ekonomi, Avdelningen för kultur-, religions- och utbildningsvetenskap, Didaktik.
    Gynther, Per
    Stockholms universitet.
    Montessoripedagogik i dåtid och samtid2011Ingår i: Boken om pedagogerna / [ed] Anna Forsell, Stockholm: Liber , 2011, 6Kapitel i bok, del av antologi (Övrigt vetenskapligt)
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